Showing posts with label 食物科學知識 Food Science. Show all posts
Showing posts with label 食物科學知識 Food Science. Show all posts

2014-11-19

茉莉花茶香吐司(湯種 超鬆軟麵包)Jasmine Tea Bread (Sweet & Soft)

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茶是一種芳香飲品,是世界上應用最為廣泛的飲料。原來,茶樹是原產於東亞和南亞。它起源於中國的藥用飲料
Tea is a popular aromatic drink and the most widely consumed beverage in the world. It is originated in China as a medicinal drink. Tea was first introduced to Portuguese priests and merchants in China during the 16th century, at which time it was termed chá  茶
Tea plants are native to East and South Asia. 

CINDY Meow Meow 每日都會喝一杯 茉莉花茶(香片)  “茉莉花茶”是用綠茶做的,但也可以用烏龍茶製成。
茉莉花茶提供了許多健康益處:包括 降低癌症的風險,降低血壓、中風風險和降低膽固醇水平。茉莉花茶更含有高濃度的抗氧化劑。
CINDY Meow Meow enjoys a cup of Jasmine tea everyday.  "Jasmine Tea" is made using green tea most often, but can also be made from Oolong tea. 
Jasmine tea offers many health benefits:  including a reduced risk of cancer, lower blood pressure, stroke and cholesterol levels.  Jasmine tea is high in antioxidants.
Tea field in South Asia
Jasmine Tea Flowers
茉莉花茶 (香片)的獨特芳香 是來自混合茶葉與茉莉花花瓣,科學研究發現:茉莉花茶的香味 對人類提供鎮靜作用。  根據<歐洲應用生理學期刊>發表的一項研究:   “研究人員調查 茉莉花茶 的花香 對24個健康志願者的情緒狀態 及自主神經活動的氣味的效果。結論是: 薰衣草和茉莉花茶氣味同樣有著 平靜心情和降低心臟速率,並有鎮定作用

"Jasmine tea has a pleasant, delicate aroma. This comes from blending the tea leaves with petals from the jasmine flower. The odor of jasmine tea has been found to offer sedative effects. In a study published by the "European Journal of Applied Physiology," researchers investigated the effect of the scent of jasmine tea on mood state and autonomic nerve activity of 24 healthy volunteers. Both lavender and jasmine tea odors similarly calmed mood and significantly decreased heart rate. This calming effect is beneficial for stress-induced high blood pressure." 

參考 Reference >  http://www.livestrong.com/article/23665-health-benefit-jasmine-tea/

So lets make a loaf of bread with such unique Jasmine tea aroma !

用具:9 X 5 吋 烤盤   
We need:  9 x 5 inches LOAF PAN 

預備 Preparation:
湯種麵糊 100g(Utane dough 100g) 
高筋麵粉 250g(Bread Flour 250g) 
全麥麵粉 50g(Whole Wheat Flour 50g)
快速酵母 3/4 茶匙(Instant dry yeast 3/4 teaspoon)
香片茶包 x 2(Jasmine Tea bag x 2) 
熱牛奶 175g(Hot Milk 175g)
黃糖/ 白砂糖 {Brown Sugar (or granulated Sugar) 30g}
鹽 1/4 茶匙(Salt 1/4 tspn)
無鹽牛油(Unsalted Butter 30g)

  • 把茉莉花茶包放入熱牛奶中,沖泡5分鐘。加糖。
  • Put Jasmine Tea bags into hot milk & brew for 5 minutes. Add in sugar. 

  • 撕開茶包。茶葉倒入牛奶中。
  • Tear off jasmine tea bags.  Pour tea leaves into the milk.

  • 把所有材料放入大容器中(除了牛油外),拌勻。搓揉 至形成麵團  {CINDY Meow Meow 是不用麵包機的。你可以用手(像香港舊式麵包鋪的老師傅般,用手搓麵粉,很考功夫的呢!)搓揉成麵團;  或像 CINDY Meow Meow ,用 KitchenAid Stand Mixer (香港朋友們稱<廚師機>,用附上的勾狀攪拌頭 Dough Hook:逐漸把速度加至2或4} 
  • Put all ingredients into a big bowl (Except BUTTER), Mix well. Knead until mixture forms into a dough  {CINDY Meow Meow DOES NOT use a bread machine. So you may knead the dough by hands; or like CINDY Meow Meow,  knead by using KitchenAid Stand Mixer, with a dough hook attached:  Gradually turn the speed up to 2 or 4)}

  • 當麵團形成,加入牛油。繼續搓揉,直到薄膜(半透明膜)出現 {按此>> 薄膜是怎樣形成?};  這表示麵筋已完全形成,麵團可準備進行第一次發酵  
  • When a dough is formed, add in Butter. Knead again, until dough passes the Windowpane Test (Translucent Membranes appear)  {Click HERE for instructions of Windowpane Test};  that means the gluten is well-developed and your dough is ready for the FIRST rise.

  • 噴一些水蓋上擰乾的濕廚房紙 發酵 90分鐘 至2倍大  
  •  Let the dough complete the first rise, until it's doubled in size.  

  • 第一次發酵完成,把麵團轉移到一個乾淨工作檯,洒點高筋麵粉。用手將空氣壓出,放氣,並分成3等份。滾圓,蓋上擰乾的濕廚房紙,讓麵團在室溫下休息20分鐘    Transfer dough onto a clean floured surface. Push to remove air, deflate and divide into 3 equal portions. Cover with plastic cling wrap, let it rest for 20 minutes at room temperature.

  • 把3個麵團搓成長形然後捲起  成為一個橄欖形,  收口處捏緊。   依照捲起的順序 把橄欖型麵團搓成長條 (比烤盤長10cm) ,  3條麵團交叉 成辮子狀,  上下兩端捏緊折入底部    Roll out the 3 portions of dough with a rolling pin. Form oval shapes & then form long shapes. Form 3 long dough into WOVEN KNOT.  Place in loaf pan. Complete the 2nd round of rise, until doubled in size.

  • 麵團放入烤盤中,再發酵1小時。發好的麵團塗上一層蛋液   放入已經預熱到170C的焗爐內 烤約40分鐘,  如麵團上方上色太快, 鋪一張錫紙以免烤太焦    烤好的吐司 在架子上放涼  
  • Brush whisked egg on surface. Sprinkle pieces of Almond on top. Bake in a pre-heated 170C (340F) oven for 40 minutes (Watch closely, put a tin foil if the top turns brown quickly.  Remove from the oven and transfer onto a wire rack. Let cool completely.
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參考 Reference > http://www.livestrong.com/article/23665-health-benefit-jasmine-tea/
參考 Reference > http://www.thekitchn.com/bakers-techniques-how-to-do-th-70784

2014-11-18

蘋果肉桂茶(新鮮自家制) Apple Cinnamon Tea (Fresh)

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CINDY Meow Meow 的一位好友  推介了這個自家制 + 新鮮蘋果肉桂茶----混合了蘋果,蜜糖,和肉桂的氣味
CINDY Meow Meow got this amazing recipe from a friend----Apple cinnamon tea.  
It's blend of apple, sweet honey, and smell of cinnamon. 
 
蘋果肉桂茶 有助於預防感冒和流感病毒 
The tea tastes good and warm the body at the same time. 
If you drink Apple cinnamon tea often, it would help preventing colds and flu viruses. 

肉桂----具有抗病毒,抗細菌和抗真菌的特性
Cinnamon----Cinnamon has anti-viral, anti-bacterial, and anti-fungal properties 
肉桂有助對抗病毒(例如: 流感病毒),抑制有害菌(如大腸桿菌)生長
Cinnamon fights viruses (such as cold and flu viruses), inhibits the growth of 
harmful bacteria (like E. coli), and combats infections 


配料: 2個紅蘋果,肉桂條200克,蜂蜜500毫升   
Ingredients: 2 Apples (gala) , Cinnamon sticks 200g, Honey 500ml  
 
1.蘋果沖洗乾淨 如可以, 用白醋浸泡一會, 這可去掉殘餘農藥 (常用的去除殘餘農藥方法 >> 按此)
2.用濕布抺擦肉桂條。剪成5厘米長。
3.蘋果切片, 去芯。
4.將肉桂,蘋果,蜂蜜到大碗裡。混合均勻。
5.倒入玻璃瓶中, 混合。置雪櫃中, 1天後可飲 
每次倒1大匙(30ml)入杯中,加入幾片蘋果和肉桂條

 Instructions
1. Soak apples in vinegar water to wash them clean & remove pesticides residues    (Click here for proper ways to remove pesticides from fruits)
2. Wipe cinnamon in clean, damp cloth. Cut cinnamon into 5cm size.
3. Slice the apples : Cut into quarters. Please remove seeds.
4. Put cinnamon , apple , and honey into large bowl. Mix them well.
5. Place the mix in a glass bottle. Put in fridge for one day. 
 Enjoy your freshly made tea !! 
(For 1 serving>> Pour 1 tablespoon into a cup, with few pieces of apples & cinnamon sticks)

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2014-11-15

<湯種法>做麵包秘技!必學! Bread-Making Basics

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Utane Dough made by CINDY Meow Meow 做的<湯種>

自家制麵包  因沒有用上防腐劑、乳化劑、鬆化劑、食用色素 及各種化學添加劑   所以麵包放上兩三天 就完全乾硬了  口感也不好  (當然, 如你在家煮食 但仍選擇用上各種化學添加劑 那一定有你的原因~~正常人不會明白的原因  那就隨便你了哈。。。) 

<湯種法>可說是 秘技 !!  令自家制麵包生命得以延長!

When we do bread-baking at home, the texture of bread turns dry & hard 2 days after. The reason is home-baked bread does not have food additives added, such as preservatives, emulsifiers, food colouring….etc. All of those are chemicals, which we should always try to avoid.  (P.S. If you still prefer use food additives for home-cooking, then you go ahead and use them. But then why do you even bother to spend time & energy for home-baking, home-cooking ?? )
So, a special technique is used for Asian bread-making---the Utane Dough technique.

Utane is a unique Asian Baking technique. Utane Bread is very soft, and can stay fresh longer

<湯種法> ---- 是源自陳郁芬的《65°C湯種麵包》這本書的理念
湯種麵包是日本人的發明,此發明更引領了日本便利店進入賣麵包的時代﹗因為湯種麵包的特別輕,組織柔軟,而且耐放,放上兩三天仍可保持鬆軟的口感
“湯” 在日本語是熱水、泡溫泉的意思在65℃下,麵粉和水的混合物中會吸收水分而變得發酵。當湯種(tangzhonog) 加入其它麵包成分,麵團質素將被提升,並產生較柔和的麵包

做法:麵粉和水的比例是  1:5

  1. 先把 1份的高筋粉(bread flour 50克)分二,三次倒進 5份的水(250毫升)中,完全混合,確定沒有粉粒
  2. 倒進一小鍋,用中慢火煮。一邊煮,一邊拌勻。慢慢會見到麵粉水越來越濃稠。
  3. 直至煮成一麵糊,就是湯種。搞拌時出現在麵糊表面的一條條線紋,  即是湯種煮好了。
  4. 把煮好的湯種倒進一碗中, 然後用保鮮膜蓋著。保鮮膜要緊貼著麵糊表面。
  5. 湯種放涼後,即可使用。餘下的湯種放入雪柜(fridge)中,可保存數天,  保存 5天還可用。只要湯種不變灰色就可以。否則,要丟掉,重新再煮。
  6. 從雪櫃拿出湯種做麵包時,需放置於室溫中一會,才放入主麵團的材料中

Utane technique >>   Ratio  1 : 5   (1 part of flour, 5 parts of water)

  1. Gradually mix 50g of bread flour into 250ml of water, stir well.  
  2. Pour flour mixture into a small pot. Cook over medium-low heat.  Stir well until thick. 
  3. Utane dough is done when the batter turns into paste-like texture (Stripes pattern appear).
  4. Pour Utane dough into a small bowl. Cover with plastic cling wrap to prevent dry up.
  5. Use when it turns cool. Or store in fridge & keep for 5 days at most.  Do not use when it turns grey.
  6. When take Utane dough out from fridge, let it rest for a while until it reaches Room temperature).  Measure the amount of Utane your recipe calls for.  The Utane Bread is so fluffy & soft that can stay fresh for longer period of time. 
參考短片 Video for Reference <Eng-subtitled>----How to make Basic Utane Dough (湯種面糰做法)
Video >>  https://www.youtube.com/watch?v=z2tgtbDV6dI

Reference:  
湯種的煮法,使用和保存法【麵包秘訣】 Tips on Cooking Tangzhong (Utane)

Reference: 
認識湯種,煮法使用與保存
http://love524.pixnet.net/blog/post/355095434-認識湯種---煮法和使用與保存

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2014-11-14

芝士紅黃馬鈴薯青蔥煎餅 Red & Gold Potatoes Mozzarella Cheese Pancakes

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每天吃不同顏色的水果& 蔬菜 可改善改善健康 及提高維他命、礦物質的攝取~  紅、黃馬鈴薯對健康也有不同的好處
To improve health and maximize mineral & vitamin intake, we should eat a rainbow of fruits and vegetables each day---How about eating some coloured potatoes ?

CINDY Meow Meow 讀大學時 也曾修過營養學   這21世紀 食物科學(Food Science) 是不可欠缺的知識 
CINDY Meow Meow has a taken a few Nutrition-related courses while in university undergraduate program. Now it's time to applying those knowledges in daily life.




* Red & Yellow Potato nutrients comparison  紅、黃馬鈴薯營養比較 *
85-gram Red Potato = 70 Calories  
85-gram Yellow (Gold) Potato = 77 Calories

85-gram Red Potato = 2g of Protein, 15g Carbohydrates, 1g Fiber
85-gram Yellow Potato = 1.5g of Protein, 19g Carbohydrates, 1g Fiber

85-gram Red Potato = 0.7mg of Iron, 0mg of Calcium
85-gram Yellow Potato = 1.3mg of Iron, 15mg of Calcium

〜鐵質(Iron) 是人體所需 ﹣制造 紅血球,而鈣質(Calcium) ﹣對骨骼健康很重要
〜紅、黃馬鈴薯中的 紅和黃色素(天然)均具抗氧化的功效
~Iron is needed to make red blood cells, and calcium is important for bone health
~Both the Red & Yellow colouring (natural) yields some of its antioxidant power

Recipes of Red & Gold Potatoes Mozzarella Cheese Pancakes (Yields 4-6 pcs)

材料 Preparation :   
~Types of Flour~Link Here 按此> 教學:各種麵粉的分別 Types of Flour for Baking>
紅﹠黃馬鈴薯 380g, 中筋麵粉 200g, 全麥麵粉100g, 熱牛奶 90ml,
橄欖油 2茶匙, 青蔥4條(切蔥花), 紅蘿蔔絲 20g, 芝士絲 60g

Red & Gold mini potatoes 380g, Unbleached All Purpose Flour 200g, Whole Wheat Flour 100g,
Milk 90ml (warm), Olive Oil 2 tbsp, Chives/ Green Onions--4 (Sliced), Shredded Carrots 20g, Mozzarella Cheese 60g (Shredded)


調味料 Condiments :
鹽 1/2 茶匙 (或加多減少 隨自己口味), 白胡椒粉少許   

Salt 1/2 tsp (or more, add to your own preference),  Pinch of white pepper to taste 

做法 Instructions :
1. 馬鈴薯切塊 (如選擇用 RUSSET Potatoes,去皮),放入煲中加清水(水量必須蓋過馬鈴薯塊 太約 2吋);  Cut Red & Gold mini potatoes into slices (If you prefer Russet potatoes, peel off skins),  Add sliced potatoes into large pot of water (Water level should be 2 inches over potatoes)


2. 中火煮12-15分鐘至叉子可以輕易插入的程度;   

Cook potatoes for 12-15 minutes (Medium heat), until they can be poked by a fork

3. 煮軟的馬鈴薯撈起, 瀝乾水, 趁熱用叉子(或用專門做著蓉的 smasher 壓成泥狀)
Smash potatoes using a smasher or fork

4. 中筋麵粉, 全麥麵粉, 橄欖油及調味料放入 已壓好的馬鈴薯蓉中, 再加入熱牛奶
Add All Purpose Flour, Whole Wheat Flour, Olive Oil & condiments into big bowl of smashed potatoes. Add warm milk 

5. 所有材料混合均勻搓成為一個團狀(可用手搓,或像 CINDY Meow Meow 用 Stand Mixer--用最慢速+勾狀攪拌頭 Dough Hook)  
5. Use your hand (Or like CINDY Meow Meow, use Stand Mixer--lowest speed + dough hook), mix all ingredients into a batter

(若麵團變得太濕, 逐漸酌量加入中筋麵粉; 相反,若太乾,加入牛奶或暖水) (If the batter becomes too wet & watery, gradually add in some cake flour; Likewise, if too dry, add more milk or warm water)

6. 加入蔥花﹠紅蘿蔔絲 & 芝士絲(Shredded Mozzarella Cheese) <<CINDY Meow Meow 選用淺色的,因黃色的含有食用色素
Add sliced chives/ green onions, shredded carrots & shredded mozzarella cheese << CINDY Meow Meow prefers light yellow mozzarella, becoz the yellow one contains artificial food colour. Try to avoid ARTIFICIAL food colouring when possible 

7. 混合均勻,蓋上濕布/濕廚房紙(擰乾)麵團休息閒置30分鐘

Mix the batter well, cover with wet kitchen paper. Let sits for 30 minutes

8. 加入橄欖油在平底鍋中, 中小火煎,至兩面金黃色
Heat pan with olive oil, low-medium,  until pancakes surface turn golden-yellow 

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Reference >> http://www.livestrong.com/article/266755-nutritional-difference-between-red-yellow-potatoes/